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Electrical model of organic diodes with field‐dependent carrier mobility in the presence of an electric field at the injection interface
Author(s) -
Alvarez A. L.,
Romero B.,
Arredondo B.,
Quintana X.,
Mallavia R.,
Otón J. M.
Publication year - 2010
Publication title -
international journal of numerical modelling: electronic networks, devices and fields
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.249
H-Index - 30
eISSN - 1099-1204
pISSN - 0894-3370
DOI - 10.1002/jnm.755
Subject(s) - electric field , diode , nonlinear system , field (mathematics) , optoelectronics , materials science , voltage , electron mobility , interface (matter) , thermal conduction , condensed matter physics , engineering physics , mechanics , electrical engineering , physics , engineering , mathematics , composite material , quantum mechanics , bubble , maximum bubble pressure method , pure mathematics
Abstract In this study, we propose a model to simulate electrical conduction of single carrier organic diodes in the presence of a barrier for carrier injection and considering a field‐dependent carrier mobility. An analytical expression for the internal electric field function, that simplifies operation with the resulting nonlinear equation system, is provided. Simulated results with this model are compared with those obtained from other existing approaches that assume simplifications. Current density versus voltage curves predicted by this model for diodes with different active layer thicknesses show good agreement with the experimental results. Copyright © 2010 John Wiley & Sons, Ltd.

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